feat(people): Add job title and role

See #1

people/migrations/0012_person_job_title.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.10 on 2020-02-25 09:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('people', '0011_person_add_organisation'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='person',
+            name='job_title',
+            field=models.CharField(blank=True, max_length=255),
+        ),
+    ]